7.8 High
AI Score
Confidence
Low
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.969 High
EPSS
Percentile
99.7%
Microsoft Internet Explorer 6 through 9, and 10 Consumer Preview, does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by attempting to access a nonexistent object, leading to a heap-based buffer overflow, aka “Col Element Remote Code Execution Vulnerability,” as demonstrated by VUPEN during a Pwn2Own competition at CanSecWest 2012.
arstechnica.com/business/news/2012/03/ie-9-on-latest-windows-gets-stomped-at-hacker-contest.ars
pwn2own.zerodayinitiative.com/status.html
twitter.com/vupen/statuses/177895844828291073
www.us-cert.gov/cas/techalerts/TA12-164A.html
www.zdnet.com/blog/security/pwn2own-2012-ie-9-hacked-with-two-0day-vulnerabilities/10621
docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-037
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15539